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【单选题】
患者女性，47岁，发现右侧乳房内无痛性肿块2个月。体检：右侧乳房外上象限可扪及一直径约为4cm的肿块，表面不光滑，边界不清，质地硬；局部乳房皮肤凹陷呈“酒窝征”；同侧腋窝可扪及2个肿大的淋巴结，可被推动。组织病理学检查证实为乳癌，拟行乳癌改良根治术。 乳癌病人乳房皮肤出现“酒窝征”是由于A.
癌细胞堵塞淋巴管
B.
癌肿侵犯Cooper韧带
C.
癌肿与胸肌粘连
D.
癌肿与皮肤粘连
E.
癌肿侵犯乳管
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【单选题】He has been working so hard. _____ he could answer such a difficult question. [ ]
A.
No wander
B.
No wonder
C.
why
D.
because
【简答题】电放费 大幅度发大幅度发否定
【单选题】听力原文：W: My son hasn't been able to find a steady job. M: Oh. Do you mean he has been floating about for the whole past year? What does the man mean?
A.
The woman's son has been a sailor.
B.
The woman's son has been swimming.
C.
The woman's son has been idling away.
D.
The woman's son has been changing his jobs.
【单选题】听力原文：W：Do you know what's wrong with Peter? He has been acting very strangely lately. M：Come on，with his parents coming to visit next week-right after he's moved into a new apartment-he's just got a l...
A.
He is happy that his parents are coming.
B.
He's thinking about a number of things.
C.
He's not feeling very well.
D.
He's looking for a new apartment.
【简答题】My 8yearold son，Kevin，has made friends with some boys in the neighborhood. He has been 36 with them after school. My wife，and I are 37 he has other kids to be with and we have __38__ and encouraged ...
【单选题】He has been talented at designing and creating things ________ he was young.
A.
when
B.
before
C.
since
D.
while
【简答题】人体内大部分废物是以尿液的形式通过 系统排出体外，尿液的形成主要包括 和 两个过程。
【单选题】关于动脉血压的叙述，下列哪一项是正确的
A.
心室收缩时，血液对动脉管壁的侧压称为收缩压
B.
平均动脉血压是收缩压和舒张压的平均值
C.
男、女性的动脉血压均随年龄的增长而变化
D.
其他因素不变时，心率加快使脉压增大
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